Let u be 5/(-3) + (-6)/18. Let c = u + 17. Solve 2*r = -r - c for r.

-5

Let f = -2 + 6. Solve 3*u + f = 4*u for u.

4

Let a(v) = v2 - v - 4. Let m be a(5). Let s(z) = 5*z2 - 1. Let c be s(-1). Suppose -2*i + 6 + c = 0. Solve 4 = i*l - m for l.

4

Suppose 2*d = 6*w - 7*w - 1, 5*w = 5*d - 5. Solve -p + 0*p = d for p.

0

Suppose b + 3*b - 17 = -3*k, b = 2. Suppose -8*x = -k*x + 25, -4*x = -2*d + 20. Solve -5*u + d*u + 5 = 0 for u.

1

Suppose -2*r + r = 5*g - 41, -g + 2*r + 17 = 0. Suppose 21 = -4*d - 11. Let n = d + 12. Solve x = n*x - g for x.

3

Let q be (-29)/(-9) + (-4)/18. Suppose -b = q*b. Solve -v + 2*v + 1 = b for v.

-1

Suppose -5*m + s - 15 = -70, 61 = 3*m + 5*s. Solve -4*o + m = -o for o.

4

Suppose -r + 2 = 5*k - 10, 8 = 4*r. Let c = k + 1. Let h(j) = 2*j + 2. Let l be h©. Solve -w = w - l for w.

4

Let u = 9 + -6. Suppose 3*s = s - u*c, 0 = s + 3*c. Solve h - 4*h + 15 = s for h.

5